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1a37dd2089
PD#TV-8287 Problem: Slab memleak is hard to track; Solution: Add slab trace to fix it Verify: P212 Change-Id: Ie1c44f28d5539c7bf71f9825c617c36af65d8058 Signed-off-by: Tao Zeng <tao.zeng@amlogic.com>
94 lines
2.8 KiB
Plaintext
94 lines
2.8 KiB
Plaintext
menuconfig AMLOGIC_MEMORY_EXTEND
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bool "AMLOGIC memory extend support"
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depends on AMLOGIC_DRIVER
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depends on AMLOGIC_MODIFY
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default y
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help
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Amlogic memory extend is drivers which extend for memory management
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functions, can be used for memory debug or other features.
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config AMLOGIC_PAGE_TRACE
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bool "Amlogic trace for page allocate"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on KALLSYMS
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depends on !NUMA_BALANCING
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default y
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help
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Amlogic page trace will record function address of caller for page
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allocate/free, according with allocate flags and order. trace
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information is stored in a pre-allocated memory block. And can be shown
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with allocate page count information of each caller functions from
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/proc/pagetrace
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config AMLOGIC_SLAB_TRACE
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bool "Amlogic trace for slab usage"
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depends on SLUB
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depends on AMLOGIC_PAGE_TRACE
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default y
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help
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Amlogic slab trace will record function address of caller for slab
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allocate/free(kmalloc-xxxx only). trace information is stored in
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a rb tree. And can be shown with allocate size information of
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each caller functions from /proc/slabtrace
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config AMLOGIC_RAMDUMP
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bool "Amlogic RAM DUMP support"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on PANIC_TIMEOUT != 0
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default n
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help
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RAM dump support for amlogic platform, when system is rebooted
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after panic/watch dog reboot, you may need this option to save
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whole ram to /data/ partition. Which can be used for analyze
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crash reason.
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config AMLOGIC_CMA
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bool "Amlogic CMA change"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on CMA
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default y
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help
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Amlogic CMA optimization for cma alloc/free problems
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Including policy change of CMA usage
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config AMLOGIC_KASAN32
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bool "Amlogic KASAN support for 32bit kernel"
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depends on AMLOGIC_MEMORY_EXTEND
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depends on KASAN
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depends on !64BIT
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default y
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help
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Amlogic implementation for KASAN on 32bit ARM kernel.
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Which can help to debug memory of use-after-free,
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out-of-bounds and other problems. This config will
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change memory layout.
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config AMLOGIC_VMAP
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bool "Amlogic kernel stack"
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depends on AMLOGIC_MEMORY_EXTEND
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default y
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help
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This config is used to enable amlogic kernel stack
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usage optimization with vmalloc. It depends on
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AMLOGIC_MEMORY_EXTEND. This config only opened
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on 64 bit platform.
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config AMLOGIC_SLUB_DEBUG
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bool "Amlogic debug for trace all slub objects"
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depends on AMLOGIC_PAGE_TRACE
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depends on SLUB
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default n
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help
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This option open trace debug for each slub objects. And will give
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slub objdect allocator information when detected bad objects
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config AMLOGIC_WATCHPOINT
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tristate "Amlogic point driver"
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depends on HAVE_HW_BREAKPOINT
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depends on AMLOGIC_MEMORY_EXTEND
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default y
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help
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This driver export a debug sysfs in order
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to using watch point function on ARMv8.
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say y to enable Amlogic watch point driver
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